Farro salad with roasted veg (Insalata di farro con verdure al forno)

Ingredients

• 4 cloves of garlic
• extra virgin olive oil
• sea salt and freshly ground black pepper
• a squeeze of lemon juice
• 400g farro or bulgar wheat
• 3 yellow courgettes, halved lengthways and deseeded
• 2 green courgettes, halved lengthways and deseeded
• 2 bulbs of fennel, trimmed and thickly sliced, herby tops reserved
• 1 red onion, peeled and cut into wedges
• 2 red peppers, halved, deseeded and cut into chunks
• 2 aubergines, cut into chunks
• herb or white wine vinegar
• a good bunch of fresh herbs (flat-leaf parsley, basil, mint, oregano)